Spotted when a home's energy certificate shows at least 15 m² (and 15%) more floor area than an earlier one. Only homes with two certificates show up, so the real number is higher. A busy street suggests extensions get permission here; check the council's planning register for the details.
Storm overflows within 2 km
No monitored sewer storm overflows within 2 km (England only).
42 planned, approved or being built and 11 running (79 MW between them). Those within 5 km are on the map above.
Rooftop solar
Spire Hospital, Chalybeate Close - Solar PanelsApproved, not yet built · 230 kW
May 2024 1.2 km away
Rooftop solar
Southampton General Hospital, Tremona Road - Solar PanelsApproved, not yet built · 250 kW
Feb 2024 1.5 km away
Rooftop solar
Buildings J K And Z Tesla Centre, Herbert Walker Avenue - Solar PanelsApproved, not yet built · 840 kW
Jan 2023 2.2 km away
Rooftop solar
Harbour Parade - Solar PhotovoltaicsApproved, not yet built
Jul 2025 2.2 km away
Rooftop solar
West Quay Retail Park, Harbour Parade - Solar PanelsApproved, not yet built
Dec 2025 2.2 km away
Rooftop solar
Grosvenor House & Belmont House, Portswood Road - Solar PanelsApproved, not yet built · 160 kW
Apr 2025 2.3 km away
Rooftop solar
Saxon House, Lower York Street - Solar Photovoltaic PanelsApproved, not yet built
May 2021 2.7 km away
Battery storage
East Road, Marchwood - Battery Energy StorageApproved, not yet built · 200 MW
Nov 2025 3.1 km away
Rooftop solar
Lucia Foster Welch Student Hall Of Residence - Solar PanelsApproved, not yet built
Sept 2022 3.3 km away
Rooftop solar
Asquith Nursery, David Lloyd Leisure - Solar PanelsApproved, not yet built · 300 kW
Jan 20243.4 km away
Road and street works within 1 km
12 permitted works running now or planned, 6 of them major.
Major
South View Road, SouthamptonHighway repair and maintenance works · SOUTHAMPTON CITY COUNCIL · Road closure
Oct 2026 to Oct 2026 200 m away
Major, planned
Branksome Avenue, SouthamptonHighway repair and maintenance works · SOUTHAMPTON CITY COUNCIL · Road closure
Oct 2026 to Oct 2026 450 m away
Major, planned
Cannon Street, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Road closure
Oct 2026 to Oct 2026 800 m away
Major
Cannon Street, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Road closure
Oct 2026 to Oct 2026 800 m away
Major
Heysham Road, SouthamptonUtility asset works · BT · Road closure
Oct 2026 to Oct 2026 1000 m away
Major
Hulse Road, SouthamptonSection 50 · SOUTHAMPTON CITY COUNCIL · Road closure
Oct 2026 to Nov 2026 1000 m away
Standard
St James Road, SouthamptonUtility repair and maintenance works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Multi-way signals
Oct 2026 to Oct 2026 150 m away
Standard
Bridlington Avenue, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Give and take
Oct 2026 to Oct 2026 200 m away
Standard
Twyford Avenue, SouthamptonUtility asset works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Some carriageway incursion
Nov 2026 to Nov 2026 500 m away
Major infrastructure projects within 30 km
Decided
M3 Junction 9 ImprovementHighways · Adjacent to Winnal industrial estate, Winchester, north of Alresford Road B3404
decided May 2024 18.9 km away
Pre-examination
Hampshire Water Transfer and Water Recycling ProjectDams and Reservoirs · The project is located in Hampshire, South East England, extending from Havant on the south coast, to Otterbourne near Winchester. The proposed Water Recycling Plant would be located off Harts Farm Way in Havant.
application due in May 2026 19.8 km away
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
application due Q4 2019 26.7 km away
Planning Inspectorate list of nationally significant infrastructure projects (roads, railways, energy, water, waste), October 2026 (OGL). Each is placed at one point, usually the middle of the site; long schemes run well beyond it.
Transport schemes within 20 km
None on our list yet. We're starting with recently opened and under-construction rail schemes.
The longer view
Like-for-like prices in Upper Shirley: +21% over five years (2020 → 2025).
Council tax list: 0 homes added in the neighbourhood since April 2024.
Population (GP registrations): -2.9% in two years.
School closed: Assure Community CollegeOther independent school, other independent school (closure)
Oct 2022 1.1 km away
New-home postcodes with fewer than 5 homes are counted above but not listed. 27 postcodes nearby had new homes completed in the last two years.
Rooftop solar
Test Valley Business Centre, Test Lane - Solar PV systemApproved, not yet built · 330 kW
Nov 2022 3.8 km away
Battery storage
Slowhill Copse, Bury Road - Battery Storage FacilityApproved, not yet built
Apr 2025 3.9 km away
Running nearest: Marchwood ERF (energy from waste, 3.7 km); Tavells Lane Solar Farm (solar farm, 4.1 km); Testwood Water Supply Works (solar farm, 5.5 km); Grove Solar Park (Phase 1) (solar farm, 6.1 km); Grove Solar Park (Phase 2) (solar farm, 6.1 km).
DESNZ Renewable Energy Planning Database, April to June 2026 (OGL). Projects of 150 kW and over; refused, withdrawn and abandoned ones are left out.
Standard
Bellemoor Road, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Some carriageway incursion
Oct 2026 to Oct 2026 700 m away
Standard
Stratton Road, SouthamptonUtility repair and maintenance works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Two-way signals
Nov 2026 to Nov 2026 850 m away
Minor
Twyford Avenue, SouthamptonHighway repair and maintenance works · SOUTHAMPTON CITY COUNCIL · Some carriageway incursion
Oct 2026 to Oct 2026 500 m away
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.